title: Immunosuppression in mice infected with Trypanosoma cruzi (Chagas, 1909). I--Evidences of polyclonal B cell activation in experimental infections mimicked by an extract prepared from circulating trypomastigotes.
mesh_terms: D000818:Animals; D001402:B-Lymphocytes / Q000276:immunology*; D014355:Chagas Disease / Q000276:immunology*; D005260:Female; D006412:Hematopoietic Stem Cells / Q000276:immunology; D006462:Hemolytic Plaque Technique; D007108:Immune Tolerance; D008297:Male; D051379:Mice; D008807:Mice, Inbred BALB C